.operationContainer {
  position: absolute;
  top: -20px;
  width: 240px;
  left: -60px;
  z-index: 2;
  height: 300px;
  .api {
    width: 240px;
    cursor: pointer;
    text-align: center;
    .icon {
      color: white;
      text-align: center;
      transform: translate3d(-100px, 0, 0);
      animation: leftToRight 8s infinite;
      i {
        font-size: 22px;
      }
    }
  }
  ul {
    animation: formRight 1s;
    will-change: opacity, transform;
    opacity: 0;
    transform: translate3d(60px, 0, 0);
    animation-fill-mode: forwards;
    li {
      line-height: 30px;
      padding-left: 62px;
      color: white;
      will-change: opacity, transform;
      opacity: 0;
      cursor: pointer;
      animation: fromLeft 1s;
      transform: translate3d(-40px, 0, 0);
      animation-fill-mode: forwards;
      span {
        margin-left: 20px;
        font-size: 13px;
        transition: all 0.4s;
      }
    }
    li:hover span {
      color: rgba(255, 255, 255, 0.5);
    }
  }
}
@keyframes formRight {
  form {
    opacity: 0;
    transform: translate3d(100px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}
@keyframes fromLeft {
  form {
    opacity: 0;
    transform: translate3d(-100px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}
@keyframes leftToRight {
  0% {
    transform: translate3d(-100px, 0, 0);
  }
  50% {
    transform: translate3d(100px, 0, 0);
  }
  100% {
    transform: translate3d(-100px, 0, 0);
  }
}
